U.S. National Library of Medicine
A species of LENTIVIRUS, subgenus ovine-caprine lentiviruses (LENTIVIRUSES, OVINE-CAPRINE), that can cause chronic pneumonia (maedi), mastitis, arthritis, and encephalomyelitis (visna) in sheep. Maedi is a progressive pneumonia of sheep which is similar to but not the same as jaagsiekte (PULMONARY ADENOMATOSIS, OVINE). Visna is a demyelinating leukoencephalomyelitis of sheep which is similar to but not the same as SCRAPIE.
The numerical value of visna-maedi virus in Chaldean Numerology is: 4
The numerical value of visna-maedi virus in Pythagorean Numerology is: 6
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"visna-maedi virus." Definitions.net. STANDS4 LLC, 2017. Web. 16 Oct. 2017. <http://www.definitions.net/definition/visna-maedi virus>.